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><A
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>18.18. Short Options</A
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><P
>    For convenience there are also single letter command-line option
    switches available for some parameters.  They are described in
    <A
HREF="runtime-config-short.html#RUNTIME-CONFIG-SHORT-TABLE"
>Table 18-2</A
>.  Some of these
    options exist for historical reasons, and their presence as a
    single-letter option does not necessarily indicate an endorsement
    to use the option heavily.
   </P
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><B
>Table 18-2. Short Option Key</B
></P
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><COL><COL><THEAD
><TR
><TH
>Short Option</TH
><TH
>Equivalent</TH
></TR
></THEAD
><TBODY
><TR
><TD
><TT
CLASS="OPTION"
>-A <TT
CLASS="REPLACEABLE"
><I
>x</I
></TT
></TT
></TD
><TD
><TT
CLASS="LITERAL"
>debug_assertions = <TT
CLASS="REPLACEABLE"
><I
>x</I
></TT
></TT
></TD
></TR
><TR
><TD
><TT
CLASS="OPTION"
>-B <TT
CLASS="REPLACEABLE"
><I
>x</I
></TT
></TT
></TD
><TD
><TT
CLASS="LITERAL"
>shared_buffers = <TT
CLASS="REPLACEABLE"
><I
>x</I
></TT
></TT
></TD
></TR
><TR
><TD
><TT
CLASS="OPTION"
>-d <TT
CLASS="REPLACEABLE"
><I
>x</I
></TT
></TT
></TD
><TD
><TT
CLASS="LITERAL"
>log_min_messages = DEBUG<TT
CLASS="REPLACEABLE"
><I
>x</I
></TT
></TT
></TD
></TR
><TR
><TD
><TT
CLASS="OPTION"
>-e</TT
></TD
><TD
><TT
CLASS="LITERAL"
>datestyle = euro</TT
></TD
></TR
><TR
><TD
>          <TT
CLASS="OPTION"
>-fb</TT
>, <TT
CLASS="OPTION"
>-fh</TT
>, <TT
CLASS="OPTION"
>-fi</TT
>,
          <TT
CLASS="OPTION"
>-fm</TT
>, <TT
CLASS="OPTION"
>-fn</TT
>,
          <TT
CLASS="OPTION"
>-fs</TT
>, <TT
CLASS="OPTION"
>-ft</TT
>
         </TD
><TD
>          <TT
CLASS="LITERAL"
>enable_bitmapscan = off</TT
>,
          <TT
CLASS="LITERAL"
>enable_hashjoin = off</TT
>,
          <TT
CLASS="LITERAL"
>enable_indexscan = off</TT
>,
          <TT
CLASS="LITERAL"
>enable_mergejoin = off</TT
>,
          <TT
CLASS="LITERAL"
>enable_nestloop = off</TT
>,
          <TT
CLASS="LITERAL"
>enable_seqscan = off</TT
>,
          <TT
CLASS="LITERAL"
>enable_tidscan = off</TT
>
         </TD
></TR
><TR
><TD
><TT
CLASS="OPTION"
>-F</TT
></TD
><TD
><TT
CLASS="LITERAL"
>fsync = off</TT
></TD
></TR
><TR
><TD
><TT
CLASS="OPTION"
>-h <TT
CLASS="REPLACEABLE"
><I
>x</I
></TT
></TT
></TD
><TD
><TT
CLASS="LITERAL"
>listen_addresses = <TT
CLASS="REPLACEABLE"
><I
>x</I
></TT
></TT
></TD
></TR
><TR
><TD
><TT
CLASS="OPTION"
>-i</TT
></TD
><TD
><TT
CLASS="LITERAL"
>listen_addresses = '*'</TT
></TD
></TR
><TR
><TD
><TT
CLASS="OPTION"
>-k <TT
CLASS="REPLACEABLE"
><I
>x</I
></TT
></TT
></TD
><TD
><TT
CLASS="LITERAL"
>unix_socket_directory = <TT
CLASS="REPLACEABLE"
><I
>x</I
></TT
></TT
></TD
></TR
><TR
><TD
><TT
CLASS="OPTION"
>-l</TT
></TD
><TD
><TT
CLASS="LITERAL"
>ssl = on</TT
></TD
></TR
><TR
><TD
><TT
CLASS="OPTION"
>-N <TT
CLASS="REPLACEABLE"
><I
>x</I
></TT
></TT
></TD
><TD
><TT
CLASS="LITERAL"
>max_connections = <TT
CLASS="REPLACEABLE"
><I
>x</I
></TT
></TT
></TD
></TR
><TR
><TD
><TT
CLASS="OPTION"
>-O</TT
></TD
><TD
><TT
CLASS="LITERAL"
>allow_system_table_mods = on</TT
></TD
></TR
><TR
><TD
><TT
CLASS="OPTION"
>-p <TT
CLASS="REPLACEABLE"
><I
>x</I
></TT
></TT
></TD
><TD
><TT
CLASS="LITERAL"
>port = <TT
CLASS="REPLACEABLE"
><I
>x</I
></TT
></TT
></TD
></TR
><TR
><TD
><TT
CLASS="OPTION"
>-P</TT
></TD
><TD
><TT
CLASS="LITERAL"
>ignore_system_indexes = on</TT
></TD
></TR
><TR
><TD
><TT
CLASS="OPTION"
>-s</TT
></TD
><TD
><TT
CLASS="LITERAL"
>log_statement_stats = on</TT
></TD
></TR
><TR
><TD
><TT
CLASS="OPTION"
>-S <TT
CLASS="REPLACEABLE"
><I
>x</I
></TT
></TT
></TD
><TD
><TT
CLASS="LITERAL"
>work_mem = <TT
CLASS="REPLACEABLE"
><I
>x</I
></TT
></TT
></TD
></TR
><TR
><TD
><TT
CLASS="OPTION"
>-tpa</TT
>, <TT
CLASS="OPTION"
>-tpl</TT
>, <TT
CLASS="OPTION"
>-te</TT
></TD
><TD
><TT
CLASS="LITERAL"
>log_parser_stats = on</TT
>,
        <TT
CLASS="LITERAL"
>log_planner_stats = on</TT
>,
        <TT
CLASS="LITERAL"
>log_executor_stats = on</TT
></TD
></TR
><TR
><TD
><TT
CLASS="OPTION"
>-W <TT
CLASS="REPLACEABLE"
><I
>x</I
></TT
></TT
></TD
><TD
><TT
CLASS="LITERAL"
>post_auth_delay = <TT
CLASS="REPLACEABLE"
><I
>x</I
></TT
></TT
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